devil: make telemetry governor control Pixel-aware
devil: make telemetry governor control Pixel-aware

This CL makes sure telemetry resets the Pixel and Pixel 3 back to the
correct governors after using the performance governor.

Change-Id: I560c4b61b06c5b15894821c57a02302586eeffec
Bug: chromium:383566
Reviewed-on: https://chromium-review.googlesource.com/c/catapult/+/1508272
Reviewed-by: Juan Antonio Navarro Pérez <1649bb5e6b9eafe026580e338065dc64ba6b80b2@chromium.org>
Commit-Queue: Caleb Rouleau <58bdb6276c01e3ed53e660bf706aa902204feb0d@chromium.org>

catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult,catapult-project/catapult